Wheezing

Wheezing is a whistling sound that can be made while breathing that may be a symptom of an illness or other causes or conditions. ... Wheezing may be a symptom of hayfever, COPD, asthma, acute bronchitis, bronchospasm, swelling in the airways, mucus in the airways, something stuck in the throat or a growth in the airway.

The symptoms of wheezing include a musical or whistling sound and laboured breathing, particularly when exhaling; sometimes accompanied by a feeling of tightening in the chest. You can hear wheezing more loudly if you plug your earsand exhale rapidly, or by using a stethoscope held at the neck or over the lungs. On the other hand, stridor is a wheezing sound heard during inhalation, and usually caused by narrowing of the windpipe or vocal